[OE-core] [PATCH V6 6/6] core-image-sato: support read-only rootfs

[Saul Wold]

On 01/07/2013 06:22 PM, ChenQi wrote:
> On 01/07/2013 06:30 PM, Otavio Salvador wrote:
>> On Mon, Jan 7, 2013 at 1:06 AM, ChenQi <Qi.Chen at windriver.com> wrote:
>>> On 01/07/2013 03:05 AM, Otavio Salvador wrote:
>>>> On Sun, Jan 6, 2013 at 7:44 AM,  <Qi.Chen at windriver.com> wrote:
>>>>> From: Chen Qi <Qi.Chen at windriver.com>
>>>>>
>>>>> Support read-only rootfs by providing a specific conf file for
>>>>> volatile
>>>>> storage.
>>>>>
>>>>> [YOCTO #3406]
>>>>>
>>>>> Signed-off-by: Chen Qi <Qi.Chen at windriver.com>
>>>> I prefer this solution than the previous one however why you don't use
>>>> a sato-volatile-conf package to provide this?
>>> Because the there exists a one-to-one (or almost one-to-one)
>>> correspondence
>>> between the volatile conf file and the specific image.
>>>
>>> If there is a 'sato-volatile-conf' package, then there should be a
>>> 'minimal-volatile-conf', and maybe a 'custom-volatile-conf' if users are
>>> using a customized image.
>>>
>>> So I think it's simpler to let the image recipe provide the conf file.
>>> The only thing we have to do, when adding read-only rootfs support to
>>> some
>>> image, is to add the conf file to SRC_URI and install it in
>>> choose_volatile_conf.
>> The problem of not using a package for it is regarding upgrades; it is
>> not possible to upgrade the configuration file using the package
>> manager. I know most systems using the read-only-fs will be small and
>> do not use a package manager at all but some use cases will do (mine,
>> in case).
> Sounds reasonable.
> I'll think about it :)
>

+1 for creating a *-volatile-conf package instead of having it buried in 
the image recipe.

Sau!

> Thanks,
> Chen Qi
>
>> So I do believe we ought to have a one-to-one correspondence here.
>>
>> --
>> Otavio Salvador                             O.S. Systems
>> E-mail: otavio at ossystems.com.br  http://www.ossystems.com.br
>> Mobile: +55 53 9981-7854              http://projetos.ossystems.com.br
>>
>>
>
>
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